Pair of Linear ...

The pair of equations y = 0 and y = –7 has

The pair of equations x = a and y = b graphically represents lines which are

One equation of a pair of dependent linear equations is –5x + 7y = 2. The second equation can be

A pair of linear equations which has a unique solution x = 2, y = –3 is

If x = a, y = b, is the solution of the equations x – y = 2 and x + y = 4, then the values of a and b are, respectively

Aruna has only Rs.1 and Rs.2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs.75, then the number of Rs.1 and Rs.2 coins are respectively

The father’s age is six times his son, age. Four years hence, the age of the father will be four times his son’s age. The present ages, (in years) of the son and the father are,respectively.